Osta makes you restore the thing you just dug out of the ground

You play a militaria collector, starting in Europe and travelling out from there to places that saw different wars. There are three ways to get hold of something: swing a metal detector over ground that might be holding it, bid for it at auction, or walk a market and buy it off a table. Those are three genuinely different activities, not one activity in three skins — one is a search, one is a contest against other buyers, and one is a browse.

The verb that makes Osta unusual is the one that comes after. Dig a gun out of the woods and it arrives the way a buried gun actually arrives: rusted, and missing pieces. You clean the rust off the metal, clean up the wood, and then go looking for the parts it lost — which sends you back out to the detector, the auction and the market for reasons that have nothing to do with wanting a second gun. Owning the object is the start of the job rather than the end of it.

The catalogue is over a thousand items, spread deliberately wide: Soviet, German, American, WW1, WW2, Cold War, Yugoslav, and more niches than any one player is going to care about. The developer says outright that nobody is expected to find and keep everything, and that is a design position rather than an apology. A collection you could finish is a checklist. A collection you cannot finish is a set of choices about what you are actually interested in.

The other half of that is the house. Items you keep get displayed, items you do not want get sold, and the room you end up with is the only scoreboard the game has. Two people who play the same number of hours will not have the same shelves, because the thing being tested is taste rather than throughput.

The two types of randomness in game design makes the distinction that matters most here: luck adds drama when the dice fall where the player can still work with them, and feels rigged when it just decides the outcome afterwards. Digging is the second kind — you commit to a patch of ground and the ground answers, with nothing to plan against. The auction and the market are the first kind: the item is visible, the price is negotiable, and the risk is one you take with your eyes open. A collecting game with only the detector would be a slot machine with a shovel animation. Having both is what keeps the hunt honest.

This psychological trick makes rewards backfire argues that quests and prizes reliably push players forward, but that in games about curiosity or expression the same push flattens the play into compliance. Osta is squarely one of those games — the pitch is to collect what fits your interests — so the most dangerous feature it could ship is a completion percentage. Put a 100% marker on a thousand items and every player stops collecting what they like and starts collecting what is missing. The number only does its job while it stays out of reach.

Why Metro Exodus is so immersive breaks immersion down into specific calls rather than atmosphere: physical menus, scavenged upgrades, gear you have to maintain by hand. Restoration is that instinct pointed at a collection instead of a loadout. Scrubbing rust off a barrel is slow on purpose, and the slowness is what converts a found object into one that belongs to you. It also gives the broken items a reason to exist, which is how a thousand-item catalogue avoids being a thousand identical pickups with different labels.

Osta is by Cup, self-published, out now on Windows, filed under Casual, Indie and Simulation, and single-player. There is no studio site to point at — the store page is the whole shopfront, which is normal for a first release from a one-name developer.

The loop is small and clearly drawn: search, buy, restore, display, sell what you do not want. Everything rides on whether the thousand-plus items are genuinely individuated — modelled, described, distinguishable at a glance on a shelf — or whether the number is doing work the objects cannot. That is the question to ask any collecting sim, and it is the only one that really decides this genre.

Retro Rewind is the sibling on this list, and it has the same bet running underneath it: a video shop whose shelves hold thousands of VHS tapes, each carrying a real title and a real genre. Both games are wagering that a catalogue big enough to be worth browsing is the content itself, not the container it comes in.